Phillips, R., & Salt, E. M. (1937). American government and its problems. Houghton Mifflin company.
芝加哥风格引文Phillips, Robert, 与 Edward McChesney Salt. American Government and Its Problems. Boston, New York [etc.]: Houghton Mifflin company, 1937.
MLA引文Phillips, Robert, 与 Edward McChesney Salt. American Government and Its Problems. Houghton Mifflin company, 1937.
警告：这些引文格式不一定是100％准确.